Login

Automatically read the ID3 tag from a mp3 on save

Author:
sbaechler
Posted:
September 22, 2011
Language:
Python
Version:
1.3
Score:
0 (after 0 ratings)

This code allows you to upload a mp3 to the Admin Frontend. The ID3 tags are automatically read out and filled in to the according fields.

This should work for other filetypes as well. As long as they have an id3 tag.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
from mutagen.easyid3 import EasyID3
from django.utils.translation import ugettext_lazy as _
from django.core.files.storage import default_storage
from django.core.files.base import ContentFile


class Song(models.Model):
    file = models.FileField(_('File'), upload_to='medialibrary/songs', blank=True, null=True,
                            help_text=_('Upload an mp3 here and hit [Save and continue editing].<br />The song
                                          infos are read out automatically.'))
    artist = models.CharField(_('Artist'), max_length=50, blank=True)
    album = models.CharField(_('Album'), max_length=50, blank=True)
    title = models.CharField(_('Title'), max_length=50, blank=True)

    def clean(self):      
        if self.file:
            path = default_storage.save(os.path.join(settings.MEDIA_ROOT,'tmp','temp.mp3'),
                   ContentFile(self.file.file.read()))
            id3 = EasyID3(os.path.join(settings.MEDIA_ROOT, path))
            if not self.artist: self.artist = id3.get('artist', '')[0]
            if not self.title: self.title = id3.get('title', '')[0]
            if not self.album: self.album = id3.get('album', '')[0]
            print id3.get('artist', '')
            path = default_storage.delete(os.path.join(settings.MEDIA_ROOT,'tmp','temp.mp3'))
        super(Song, self).clean()

More like this

  1. Browser-native date input field by kytta 1 month, 1 week ago
  2. Generate and render HTML Table by LLyaudet 1 month, 2 weeks ago
  3. My firs Snippets by GutemaG 1 month, 3 weeks ago
  4. FileField having auto upload_to path by junaidmgithub 2 months, 4 weeks ago
  5. LazyPrimaryKeyRelatedField by LLyaudet 3 months ago

Comments

MechanisM (on October 26, 2011):

Nice snippet! How about albumart from mp3 to ImageField?

#

Please login first before commenting.